@article{PismaZhETF.11.49,
    title = {Instability of a Weakly Inhomogeneous Plasma with Two Species of Ions in the Absence of Magnetic Field},
    author = {Gurevich, L. E. and Vagner, I. D. and Ioffe, I. V.},
    journal = {Письма в ЖЭТФ},
    volume = {11},
    issue = {1},
    pages = {49},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26053.shtml},
}